Tente isso:

if (conn == null) {
    Class.forName("oracle.jdbc.driver.OracleDriver");
    conn = DriverManager.getConnection("jdbc:oracle:thin:@10.30.0.249:1521:scg", "scott", "scott");
    output.appendText ("Connected\n");
}

Um abraço!
Rafael.

On Thu, 2003-06-05 at 08:04, roberto amorim wrote:
> Cara o que é isso? 
> 
> conn = DriverManager.getConnection ("jdbc:oracle:thin:@10.30.0.249:1521:scg", "scott", "scott");
> 
> não seria somente isto 
> conn = DriverManager.getConnection ("jdbc:oracle:thin:@10.30.0.249:1521", "scott", "scott");
> //@servidor:porta:SID// syntax as <host>:<port>:<sid>
> ou isto 
> conn = DriverManager.getConnection ("jdbc:oracle:thin:@scg", "scott", "scott");
> //@servidor:porta:SID// syntax as <host>:<port>:<sid>
> 
> espero ter ajudado!
> 
>   
> 
> 
>   ----- Original Message ----- 
>   From: Jose Antonio - yahoo 
>   Cc: .Grupo - Java - George ; .Grupo - Java ; .Grupo - Java ; .Grupo - Java ; .Grupo - Java ; .Grupo - Java ; .Grupo - Java 
>   Sent: Wednesday, June 04, 2003 7:21 AM
>   Subject: [enterprise-list] JDBC - Oracle
> 
> 
>   Algum colega poderai me dar um auxilio nesta conexao, e me dizer o q esta errado ??
> 
>   obrigado
> 
>   jose antonio
> 
>   ************************************************************
> 
>   import java.sql.*;
>   import java.awt.*;
>   import java.io.*;
>   import java.util.*;
> 
>   public class JdbcApplet extends java.applet.Applet
>   {
> 
>     static final String query = "select 'Hello JDBC: ' || sysdate from dual";
>     
>     Button execute_button;
> 
>     TextArea output;
> 
>     Connection conn;
> 
>     public void init ()
>     {
>       this.setLayout (new BorderLayout ());
>       Panel p = new Panel ();
>       p.setLayout (new FlowLayout (FlowLayout.LEFT));
>       execute_button = new Button ("Hello JDBC");
>       p.add (execute_button);
>       this.add ("North", p);
>       output = new TextArea (10, 60);
>       this.add ("Center", output);
>     }
> 
>     public boolean action (Event ev, Object arg)
> 
>     {
> 
>       if (ev.target == execute_button)
> 
>       {
> 
>         try
> 
>         {
> 
>    if (conn == null)
> 
>    {
> 
>   // pq esta dando ero na linha abaixo ??
> 
>       DriverManager.registerDriver (new oracle.jdbc.OracleDriver());
> 
>      conn = DriverManager.getConnection ("jdbc:oracle:thin:@10.30.0.249:1521:scg", "scott", "scott");
>      output.appendText ("Connected\n");
>    }
> 
>    Statement stmt = conn.createStatement ();
> 
>    output.appendText ("Executing query " + query + "\n");
>    ResultSet rset = stmt.executeQuery (query);
> 
>    while (rset.next ())
>      output.appendText (rset.getString (1) + "\n");
> 
>    output.appendText ("done.\n");
>         }
>         catch (Exception e)
>         {
>    output.appendText (e.getMessage () + "\n");
>         }
>         return true;
>       }
>       else
>         return false;
>     }
>   }
> 
> 

Responder a